1 files changed, 127 insertions, 0 deletions
diff --git a/primedev/thirdparty/silver-bun/utils.cpp b/primedev/thirdparty/silver-bun/utils.cpp
new file mode 100644
index 00000000..6f7b397e
--- /dev/null
+++ b/primedev/thirdparty/silver-bun/utils.cpp
@@ -0,0 +1,127 @@
+#include "utils.h"
+
+namespace Utils
+{
+	//----------------------------------------------------------------------------------------
+	// Purpose: For converting a string pattern to an array of bytes. Doesnt support wildcards
+	//----------------------------------------------------------------------------------------
+	std::vector<uint8_t> StringPatternToBytes(const char* szInput)
+	{
+		const char* pszPatternStart = const_cast<char*>(szInput);
+		const char* pszPatternEnd = pszPatternStart + strlen(szInput);
+		std::vector<uint8_t> vBytes;
+
+		for (const char* pszCurrentByte = pszPatternStart; pszCurrentByte < pszPatternEnd; ++pszCurrentByte)
+		{
+			vBytes.push_back(strtoul(pszCurrentByte, const_cast<char**>(&pszCurrentByte), 16));
+		}
+		return vBytes;
+	};
+
+    //----------------------------------------------------------------------------------------
+    // Purpose: For converting a string pattern with wildcards to an array of bytes.
+    //----------------------------------------------------------------------------------------
+    std::vector<int> PatternToBytes(const char* szInput)
+    {
+        const char* pszPatternStart = const_cast<char*>(szInput);
+        const char* pszPatternEnd = pszPatternStart + strlen(szInput);
+        std::vector<int> vBytes;
+
+        for (const char* pszCurrentByte = pszPatternStart; pszCurrentByte < pszPatternEnd; ++pszCurrentByte)
+        {
+            if (*pszCurrentByte == '?')
+            {
+                ++pszCurrentByte;
+                if (*pszCurrentByte == '?')
+                {
+                    ++pszCurrentByte; // Skip double wildcard.
+                }
+                vBytes.push_back(-1); // Push the byte back as invalid.
+            }
+            else
+            {
+                vBytes.push_back(strtoul(pszCurrentByte, const_cast<char**>(&pszCurrentByte), 16));
+            }
+        }
+        return vBytes;
+    };
+
+    //----------------------------------------------------------------------------------------
+    // Purpose: For converting a string pattern with wildcards to an array of bytes and mask.
+    //----------------------------------------------------------------------------------------
+    std::pair<std::vector<uint8_t>, std::string> PatternToMaskedBytes(const char* szInput)
+    {
+        const char* pszPatternStart = const_cast<char*>(szInput);
+        const char* pszPatternEnd = pszPatternStart + strlen(szInput);
+
+        std::vector<uint8_t> vBytes;
+        std::string svMask;
+
+        for (const char* pszCurrentByte = pszPatternStart; pszCurrentByte < pszPatternEnd; ++pszCurrentByte)
+        {
+            if (*pszCurrentByte == '?')
+            {
+                ++pszCurrentByte;
+                if (*pszCurrentByte == '?')
+                {
+                    ++pszCurrentByte; // Skip double wildcard.
+                }
+                vBytes.push_back(0); // Push the byte back as invalid.
+                svMask += '?';
+            }
+            else
+            {
+                vBytes.push_back(uint8_t(strtoul(pszCurrentByte, const_cast<char**>(&pszCurrentByte), 16)));
+                svMask += 'x';
+            }
+        }
+        return make_pair(vBytes, svMask);
+    };
+
+    //----------------------------------------------------------------------------------------
+    // Purpose: For converting a string to an array of bytes.
+    //----------------------------------------------------------------------------------------
+    std::vector<int> StringToBytes(const char* szInput, bool bNullTerminator)
+    {
+        const char* pszStringStart = const_cast<char*>(szInput);
+        const char* pszStringEnd = pszStringStart + strlen(szInput);
+        std::vector<int> vBytes;
+
+        for (const char* pszCurrentByte = pszStringStart; pszCurrentByte < pszStringEnd; ++pszCurrentByte)
+        {
+            // Dereference character and push back the byte.
+            vBytes.push_back(*pszCurrentByte);
+        }
+
+        if (bNullTerminator)
+        {
+            vBytes.push_back('\0');
+        }
+        return vBytes;
+    };
+
+    //----------------------------------------------------------------------------------------
+    // Purpose: For converting a string to an array of masked bytes.
+    //----------------------------------------------------------------------------------------
+    std::pair<std::vector<uint8_t>, std::string> StringToMaskedBytes(const char* szInput, bool bNullTerminator)
+    {
+        const char* pszStringStart = const_cast<char*>(szInput);
+        const char* pszStringEnd = pszStringStart + strlen(szInput);
+        std::vector<uint8_t> vBytes;
+        std::string svMask;
+
+        for (const char* pszCurrentByte = pszStringStart; pszCurrentByte < pszStringEnd; ++pszCurrentByte)
+        {
+            // Dereference character and push back the byte.
+            vBytes.push_back(*pszCurrentByte);
+            svMask += 'x';
+        }
+
+        if (bNullTerminator)
+        {
+            vBytes.push_back(0x0);
+            svMask += 'x';
+        }
+        return make_pair(vBytes, svMask);
+    };
+}